header .wrap {
    margin: 0 auto;
    .header_top {
        height: 31px;
        line-height: 31px;
        border-bottom: 1px solid;
        position: relative;
        .login_title {
            border-left: 1px solid;
            margin-left: 190px;
            width: 220px;
            height: 31px;
            position: absolute;
            z-index: 9;
            border-right: 1px solid;
            text-align: center;
            background: #fff;
        }    
    }  
}   